以对乙酰氨基酚为模型药物，采用甲醛蒸汽交联明胶胶囊的方法制备了胃内滞留型控释胶囊。
A laboratory method of preparing controlled release capsules floated in artificial gastric juice was developed by crosslinking the gelatin capsules with formaldehyde vapor.
通过对比明胶被THPC、甲醛和铬盐处理后的等电点变化趋势，分析了THPC鞣制效应，最后可确定THPC与皮胶原的鞣制机理。
The change trends of glutin isoelectric point after treated with THPC, formaldehyde and chrome salt were researched and the results showed that the tanning property of THPC was good.
在不同的温度下，用as1.398中性蛋白酶制备水解明胶，甲醛滴定法测定明胶的水解程度。
The preparation of gelatin hydrolyzed with AS1. 398 neutral protease at different temperatures. The hydrolysis degree was tested by means of formaldehyde titration.
本文探讨了FDNB、紫外分光光度法、甲醛反应滴定法、粘度法测定明胶水解程度的可能性，并对他们作了一定的研究。
In this paper, FDNB method, UV-spectrophotometry, Formaldehyde reaction-titration method and Viscometry were tried to use in measuring the gelatin hydrolysis degree in the process of the reaction.
本文探讨了FDNB、紫外分光光度法、甲醛反应滴定法、粘度法测定明胶水解程度的可能性，并对他们作了一定的研究。
In this paper, FDNB method, UV-spectrophotometry, Formaldehyde reaction-titration method and Viscometry were tried to use in measuring the gelatin hydrolysis degree in the process of the reaction.
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